Attachment 10840Chevy offset bushing
Attachment 10841I used dial on cams on bench and marked back side of tower, just opening, full lift and just closed.
Attachment 10842Attachment 10843Attachment 10844And then a helicoil GRRRR!! Last tower bolt of coarse
Attachment 10845Ok forgot about oil pressure problem. These are 1989 and 1990 towers. 1990 (mine) the all aluminum tower has wallowed out lifter bores. 1989 towers have iron lifter bores, the lifters don't wiggle in the iron bores. Lots of lifter rock in aluminum bore!!!
Attachment 10846
Attachment 10847
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